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Refer to this How to Remove the old (or new) kernelshttp://ubuntuhandbook.org/index.php/2015/08/install-latest-kernel-script/1. In Ubuntu with a graphical interface:1.1 Installing synaptic Package Manager in Ubuntu Software Center1.2 Deleting packages using Synaptic Package Manager: Click the Reload button in the want to remove the new kernel. Select Status-installed on the left pane to make se
Recently in doing the kernel from the small-end processor (arm) to the big-endian processor (PPC) of the work, now kernel into the console stable work, the basic work has been completed, but the transplant has a lot of experience or need to summarize, Today, the kernel is summed up for processing the byte-order of the size-end. Before writing the size-end byte s
Author: Jiang GuangweiDate: 2010-12-28Email: guangwei.jiang@gmail.com/jgw2008@126.com 1. Introduction The theme of this chapter is "The design and implementation of Kernel Scheduler", "Kernel scheduling" is the necessary module of all multitasking kernel, the design of scheduling algorithm has a direct impact on the efficiency of the whole system.Examples of this
1. Kernel functions map Low-dimensional space to high-dimensional space The following chart is located in the first to second quadrant. We pay attention to the red door and the purple letters under the words "Beijing courtyard". We think of the dots on the red Door as "+" data, and the dots on the purple letters as "-" data, and their horizontal and vertical coordinates are two characters. Obviously, in this two-dimensional space, the "+" "-" two typ
Tags: style os ar sp on c ad Size RThe kernel function is a program that runs on each thread of the GPU. Must be defined by the __GLOABL__ function type qualifier. The form is as follows: __global__ void kernel (param list) {} The kernel function can only be called on the host side, and the execution parameters must be declared when invoked. The invocation form
Test upgrade centos6.6 kernel to Oracle Uek kernelReference:http://www.tuicool.com/articles/IRbU3e[[Emailprotected]~]#curl-ohttps://linux.oracle.com/switch/centos2ol.sh[[email protected]~]#shcentos2ol.sh[[emailprotected]~]#yumupgradeoh yeah, upgrade complete, pay attention to upgrade time, disk space is enough. [[emailprotected]~]#rpm-qif/etc/redhat-releasename :oraclelinux-release relocations: (notrelocatable) version:6server vendor:oracleamericarel
I. Description of BOOTM BOOTM This command is used to start an operating system image. It obtains some information from the head of the image file, which includes the CPU architecture of the image file, its operating system type, the type of image, the compression method, the load address of the image file in memory, the entry address of the image file to run, the image filename, and so on.The BOOTM then loads the image to the specified address and, if necessary, extracts the image and passes t
Phoroni tested the overall system performance, power consumption, and Startup Performance of different versions of Ubuntu in his notebook. It was noted that the latest version of Ubuntu consumes more power under certain workloads, an average increase of 10%, up to 30%. Tests on the Linux kernel 2.6.35, 2.6.36, 2.6.37, 2.6.38, and 2.6.39 (Development version) show that the power consumption of the 2.6.38 kernel
Use the kernel and module of MgaicLinux to replace the Debian kernel-general Linux technology-Linux programming and kernel information. The following is a detailed description. Debian is installed on the office computer today. debian's installation CD, whether pango or woody, has fewer hardware identified. Neither of the video card or sound card is recognized.
Ask: The new kernel cannot be started after the kernel is compiled! -- Linux general technology-Linux programming and kernel information. The following is a detailed description. I have just started linux and compiled the 2.6.29 kernel. The compilation process is smooth, but it is displayed at startup. Mount: cocould
Object-oriented summary of the PHP kernel, object-oriented PHP kernel One, create a class in PHP Creating a simple class in PHP is like this: II. Structure of Zend_class_entry Zend_class_entry is a struct defined in the kernel and is the infrastructure type of classes and objects in PHP. struct _zend_class_entry {char type; Char *name; Zend_ui
How to apply the kernel patch Code View:Bash> cd/usr/srcBash> wget www.kernel.org/pub/linux/kernel/people/akpm/patches/X.Y/X.Y.Z/X.Y.Zmm2/X.Y.Z-mm2.bz2 Apply the patch:Bash> cd/usr/src/linux-X.Y.Z/Bash> bzip2-dc ../X.Y.Z-mm2.bz2 | patch-p1 The-dc option asks bzip2 to uncompress the specified files to standard output. This is piped to the patch utility,Which applies changes to each modified file in the code
Where does the kernel start execution? Almost any book on Linux kernel source code analysis will give detailed answers. However, I try to explain it from a different angle (a beginner's point of view), rather than giving the answer as soon as I come up. It is a common idea to start from familiar things and gradually approach unfamiliar things. Since they are all binary code, you may wish to start with the s
I. measurement time difference 1. There is a constant "HZ" in the Linux kernel, and Hz is a constant unrelated to the architecture. It is used to configure the number of system interruptions per second. The value range is 50-1200 (meaning 50 to 1200 interruptions per second). The default value is 1000 on the X86 platform. 2. The global variable jiffies (unsigned long ). Every time a clock is interrupted, the global variable jiffies is added with 1. Th
Linux Kernel linked list (3), Linux Kernel Introduction to common Linux kernel two-way linked list APIs The linux link list structure is as follows: Position of the kernel bidirectional linked list in the linux kernel:/include/linux/list. h The process of using a two-way l
When I used bcp to back up data yesterday, the following error is always prompted and only several large tables can be exported at a time. This made me very strange that I failed to try it several times in a row. 00: 00000: 00053: 2007/07/23 09:07:14. 25 kernel cannot send, host process disconnected: Linux 15871 SUID: 100: 00000: 00056: 2007/07/23 09:07:14. 37 kernel cannot send, host process disconnected:
in our daily life that requires root to be deleted.During the installation of the Linux kernel, it is important to note that to use the Linux GUI you need to download and install QT.Summary: Android porting is primarily a Linux kernel migration. Linux kernel porting is primarily a Linux-powered migration. So in order to develop and test Linux drivers. Two sets o
corresponding __attribute__ parameters in parentheses.The syntax format is: __attribute__ ((attribute-list))Attribute sections are used for functions and variables, and typically the compiler places functions in the. Text section, where variables are placed in the. data or. BSS sections, and the section property allows the compiler to place functions or variables in the specified section.2, meaning of Is_err () in driverAll drivers are running in kernel
After the BIOS triggers a 0x19 interrupt, the first sector (512B) of the disk is loaded into memory. The computer really starts running programs on disk. And this 512B program is BOOTSECT.S, at this time the processor is still in real mode memory addressing the maximum range is 1M (0X0000-0XFFFF), next we look at Bootsect.s in the first batch of code to do?The code above declares the assignment of a series of variables for memory planningThis command means to jump to the new copy of Bootsect whe
Linux kernel universal queue implementation KfifoLocation: kernel/kififo.cUse required include header file # include 1. Create queue (dynamically created)int Kfifo_alloc (struct kififo *fifo, unsigned int size, gfp_t gfp_mask);The function creates and initializes a FIFO of size, and the kernel uses the Gfp_mask identity to allocate the queue.Successful return 0Ep
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